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Gang Lu

Geospace response to an extreme solar flare

Solar flare effects on magnetospheric convection and ionospheric potential.
Friday, June 18, 2021

Solar flares—a sudden eruption of electromagnetic radiation at the Sun—are known to have significant impacts on Earth’s upper atmosphere and ionosphere, but their collective effects on geospace as an integrated system have never been examined.

Congratulations to Gang Lu, elected fellow of the AGU

The High Altitude Observatory is proud to acknowledge Dr. Gang Lu for being among the 2020 class of AGU Fellows, just recently announced. Gang is a Senior Scientist at HAO.

Large-scale ionospheric disturbances during the 17 March 2015 storm: A model-data comparative study

Graphic image of publication figure
Tuesday, March 24, 2020

Storm-induced ionospheric density variations are a major concern of near-Earth space environment as they could drastically disrupt satellite navigation and telecommunication systems.

Storm-time Thermosphere Over Cooling: Impacts of Nitric Oxide, Solar EUV and Particle Precipitation

GOCE neutral density on dusk side
Tuesday, September 4, 2018

Some recent studies have revealed that the post-storm thermospheric mass density sometime drops below its pre-storm value. This phenomenon has been attributed to the over-cooling effect caused by enhanced infrared emissions from nitric oxide.

Development and Validation of the Whole Atmosphere Community Climate Model with Thermosphere and Ionosphere Extension (WACCM-X)

WACCM-X simulations image
Wednesday, February 14, 2018

H.Liu et al. have improved a comprehensive numerical model, the Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM-X).

First Results from the Ionospheric Extension of WACCM-X during the Deep Solar Minimum Year of 2008

Comparisons of hmF2
Wednesday, February 7, 2018

The Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM-X) is a numerical model of the

Gang Lu

Submitted by whawkins on April 13, 2016 - 4:46pm

Dr. Gang Lu is a Senior Scientist in the High Altitude Observatory at the National Center for Atmospheric Research. Her primary research interests are in high-latitude ionospheric electrodynamics, solar wind-magnetosphere-ionosphere thermosphere coupling, and space weather.

Impact of Energetic Particles on the upper Atmosphere

Submitted by whawkins on April 12, 2016 - 4:35pm

Energetic particles, namely electrons and protons, released from the magnetosphere cover a wide range of energies from a few electron volts (eV) to hundreds of milli-electron volts (MeV).

Ionospheric storm effects of disturbed electric fields

Sunday, August 12, 2012

A comprehensive modeling investigation of ionospheric and thermospheric variations during a prompt penetration electric field on 9 November 2004.

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The National Center for Atmospheric Research is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.